head of scotland yard resigning yesterday, the latest casualty of the hacking scandal. and rupert murdoch's top executive has been arrested. >>> there was a scuffle and guns were point ed in a home invasio of a congressman. how he's doing on this "american morning." >>> good morning to you. thank you so much for joining us on this monday. it is july 18th. i'm kiran chetry along with ali velshi. christine has today off. >>> the head of scotland yard, london's police agency to the list of casualties in the uk hacking scandal. sir paul stevenson has stepped down. >> some of his officers are accused of taking bribes from rupert murdoch's reporters. any idea what sir stevenson's exact involvement was in this scandal? >> reporter: another incredible development, yeah. the most senior policeman in britain, sir paul stevenson has resigned, shocking development on day after day of incredible revelations. there were all these accusations of policemen having taken bribes from journalists working for rupert murdoch's newspaper. on top of of that, allegation that a former news of th